package com.dvj.gulimall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.dvj.common.to.es.SkuEsModel;
import com.dvj.gulimall.search.config.GulimallElasticSearchConfig;
import com.dvj.gulimall.search.constant.EsConstant;
import com.dvj.gulimall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkItemResponse;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author Dvj
 * @date 2021/7/30 16:25
 */
@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    private RestHighLevelClient restHighLevelClient;

    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        // 保存到es
        // 1.给es中建立索引：product,建立号映射关系
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel model : skuEsModels) {
            // 1.构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(model.getSkuId().toString());
            indexRequest.source(JSON.toJSONString(model), XContentType.JSON);
            bulkRequest.add(indexRequest);
        }

        BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, GulimallElasticSearchConfig.COMMON_OPTIONS);

        // TODO 批量错误处理
        boolean b = bulk.hasFailures();
        if (b) {
            List<String> errorInfo = Arrays.stream(bulk.getItems())
                    .map(BulkItemResponse::getId).collect(Collectors.toList());
            log.error("商品上架错误：{}", errorInfo);
        }

        return !b;
    }
}
